./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87bc0d62bd0ac2c8f0b3bcd924815b04302ef88419a4b535524b284cb471b329 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:07,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:07,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:07,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:07,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:07,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:07,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:07,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:07,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:07,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:07,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:07,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:07,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:07,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:07,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:07,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:07,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:07,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:07,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:07,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:07,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:07,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:07,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:07,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:07,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:07,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:07,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:07,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:07,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:07,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:07,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:07,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:07,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:07,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:07,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:07,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:07,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:07,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:07,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:07,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:07,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:07,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:43:07,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:07,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:07,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:43:07,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:43:07,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:07,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:07,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:07,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:07,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:43:07,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:07,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:07,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:43:07,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:07,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:43:07,642 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:07,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:43:07,642 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:07,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:43:07,643 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:07,643 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:07,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:07,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:07,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:07,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:07,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:43:07,645 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:43:07,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:43:07,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:43:07,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87bc0d62bd0ac2c8f0b3bcd924815b04302ef88419a4b535524b284cb471b329 [2021-11-23 15:43:07,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:07,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:07,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:07,938 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:07,939 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:07,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2021-11-23 15:43:08,006 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data/9dda278c0/258c61fc462b4f67822c641ed5aa8cb8/FLAG6d2491952 [2021-11-23 15:43:08,532 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:08,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2021-11-23 15:43:08,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data/9dda278c0/258c61fc462b4f67822c641ed5aa8cb8/FLAG6d2491952 [2021-11-23 15:43:08,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data/9dda278c0/258c61fc462b4f67822c641ed5aa8cb8 [2021-11-23 15:43:08,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:08,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:08,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:08,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:08,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:08,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:08" (1/1) ... [2021-11-23 15:43:08,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dafae55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:08, skipping insertion in model container [2021-11-23 15:43:08,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:08" (1/1) ... [2021-11-23 15:43:08,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:08,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:09,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2021-11-23 15:43:09,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2021-11-23 15:43:09,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:09,182 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:09,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2021-11-23 15:43:09,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2021-11-23 15:43:09,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:09,222 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:09,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09 WrapperNode [2021-11-23 15:43:09,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:09,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:09,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:09,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:09,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,261 INFO L137 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 77 [2021-11-23 15:43:09,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:09,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:09,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:09,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:09,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:09,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:09,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:09,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:09,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,300 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:09,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:09,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:09,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:43:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:43:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:43:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:43:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:43:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:43:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:43:09,470 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:09,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:09,746 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:09,777 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:43:09,783 INFO L158 Benchmark]: Toolchain (without parser) took 893.46ms. Allocated memory is still 94.4MB. Free memory was 54.4MB in the beginning and 49.6MB in the end (delta: 4.8MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2021-11-23 15:43:09,784 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:09,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.65ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 63.9MB in the end (delta: -9.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:43:09,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.56ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 62.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:09,788 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 94.4MB. Free memory was 62.2MB in the beginning and 60.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:09,788 INFO L158 Benchmark]: RCFGBuilder took 492.94ms. Allocated memory is still 94.4MB. Free memory was 60.9MB in the beginning and 49.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:43:09,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 70.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.65ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 63.9MB in the end (delta: -9.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.56ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 62.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 94.4MB. Free memory was 62.2MB in the beginning and 60.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.94ms. Allocated memory is still 94.4MB. Free memory was 60.9MB in the beginning and 49.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:43:09,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87bc0d62bd0ac2c8f0b3bcd924815b04302ef88419a4b535524b284cb471b329 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:12,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:12,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:12,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:12,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:12,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:12,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:12,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:12,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:12,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:12,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:12,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:12,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:12,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:12,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:12,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:12,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:12,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:12,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:12,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:12,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:12,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:12,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:12,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:12,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:12,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:12,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:12,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:12,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:12,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:12,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:12,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:12,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:12,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:12,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:12,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:12,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:12,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:12,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:12,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:12,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:12,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:43:12,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:12,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:12,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:43:12,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:43:12,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:12,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:12,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:12,455 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:12,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:12,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:12,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:43:12,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:12,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:43:12,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:43:12,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:43:12,457 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:43:12,457 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:12,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:43:12,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:12,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:43:12,458 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:12,458 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:12,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:12,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:12,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:12,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:12,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:43:12,459 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:43:12,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:43:12,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:43:12,460 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:43:12,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:43:12,460 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87bc0d62bd0ac2c8f0b3bcd924815b04302ef88419a4b535524b284cb471b329 [2021-11-23 15:43:12,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:12,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:12,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:12,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:12,947 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:12,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2021-11-23 15:43:13,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data/42873a002/f77a64daa2164459b157ca8c4490b958/FLAG5d74b4445 [2021-11-23 15:43:13,615 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:13,616 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i [2021-11-23 15:43:13,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data/42873a002/f77a64daa2164459b157ca8c4490b958/FLAG5d74b4445 [2021-11-23 15:43:13,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/data/42873a002/f77a64daa2164459b157ca8c4490b958 [2021-11-23 15:43:13,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:13,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:13,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:13,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:13,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:13,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:13" (1/1) ... [2021-11-23 15:43:13,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c31733f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:13, skipping insertion in model container [2021-11-23 15:43:13,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:13" (1/1) ... [2021-11-23 15:43:13,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:14,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:14,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2021-11-23 15:43:14,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2021-11-23 15:43:14,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:14,311 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:14,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[1224,1237] [2021-11-23 15:43:14,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/sv-benchmarks/c/combinations/gcd_4+newton_3_7.i[2848,2861] [2021-11-23 15:43:14,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:14,353 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:14,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14 WrapperNode [2021-11-23 15:43:14,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:14,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:14,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:14,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:14,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,395 INFO L137 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 74 [2021-11-23 15:43:14,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:14,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:14,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:14,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:14,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:14,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:14,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:14,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:14,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:14" (1/1) ... [2021-11-23 15:43:14,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:14,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:14,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:14,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:43:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2021-11-23 15:43:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2021-11-23 15:43:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:43:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:43:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:43:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:43:14,600 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:14,602 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:44,131 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:44,161 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:43:44,167 INFO L158 Benchmark]: Toolchain (without parser) took 30192.31ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 46.5MB in the end (delta: -2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:44,167 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:44,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.25ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 61.8MB in the end (delta: -17.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-23 15:43:44,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.21ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 60.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:44,174 INFO L158 Benchmark]: Boogie Preprocessor took 52.96ms. Allocated memory is still 79.7MB. Free memory was 60.0MB in the beginning and 58.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:44,175 INFO L158 Benchmark]: RCFGBuilder took 29715.20ms. Allocated memory is still 79.7MB. Free memory was 58.5MB in the beginning and 46.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:44,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory is still 60.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.25ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 61.8MB in the end (delta: -17.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.21ms. Allocated memory is still 79.7MB. Free memory was 61.6MB in the beginning and 60.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.96ms. Allocated memory is still 79.7MB. Free memory was 60.0MB in the beginning and 58.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 29715.20ms. Allocated memory is still 79.7MB. Free memory was 58.5MB in the beginning and 46.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:43:44,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69c9168c-e4f7-4fe5-a49e-1cb4900341b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable